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Problem 10.14: The table below gives data for the system hydrogen sulfide (1) in benzene (2) at 150 °C, using Peng-Robinson equation with k12 = 0.015. a) Do you expect this system to exhibit a critical point at 150 °C? b) Determine whether the solution behavior of benzene may be considered ideal in the concentration range x1 = 0 to 0.30. c) Explain why the fugacity coefficients of H2 S in the liquid and in the vapor are equal at 5.76 bar but different at 36.99 bar.
Estimate the temperature of saturated steam which must be used when the exchanger is new (i.e., no scale present) if the water enters the unit at a rate of 15,000 gph and is heated from 70 to 150°F.
A lime-soda softening plant treats a flow of 150 MGD, and the water has 86mg/l Ca2+, 35 mg/L Mg2+, 299 mg/L HCO3- and 6mg/l CO2. The commercial grade of quicklime has a purity of 85% and the soda ash has a purity of 95%. Determine the pounds of qu..
If the mass percent of vanadium in the ore was 58.1%, what was the mass of the ore sample? Which of the four transition metal ions in this titration has the highest oxidation state?
Minimize F in an SOP form, and obtain a possible realization.
determine the minimum service life allowable for the facilities at the distant location for this alternative to meet the required incremental return. The salvage value should be assumed to be zero, and straight-line depreciation accounting may be ..
Derive an expression for the optimum economic thickness
A sinusoidal signal, with amplitude of 3.25 volts, is applied to a uniform quantizer of the mid-tread type whose output takes on the values 0, ±1, ±2, ±3 volts. Sketch the waveform of the resulting quantizer output for one complete cycle of the in..
find the speed of the motor. Neglect the brush-contact drop.
In the manufacture of vinyl chloride (VC) by the pyrolysis of dichloromethane (DCE), the reactor conversion is limited to 55% to reduce carbon formation, which fouls the reactor tubes. Calculate the quantity of DCE fed to the reactor to produce 50..
Use the Lee-Kesler method- Calculate the entropy of propane at its critical point. The reference state is the ideal-gas state at the critical point.
Assume that an As i mplant leads to a uniform electron concentration of 1019 cm·3 down to a depth of 0.1 µm and a mobility of 100 cm2 .V1 .s·1 . Determ ine the resistivity and the sheet resisti vity of the implanted layer.
Weight Percentage of MTBE (methyl tert-butylether) in Gasoline : Oxygen Content, If gasoline had a hypothetical chemical formula of C8H17, and we knew the chemical formula of MTBE as CH3OC4H9, what weight (actual weight and percent by weight) of M..
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